mc68hc08az60 Freescale Semiconductor, Inc, mc68hc08az60 Datasheet - Page 101

• Manufacturer Part Number: mc68hc08az60
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

SIM Registers
SIM Break Status
Register
19-sim
MOTOROLA
CGMXCLK
INT/BREAK
IAB
Figure 16. Stop Mode Recovery from Interrupt or Break
Address:
The SIM has three memory mapped registers.
The SIM break status register contains a flag to indicate that a break
caused an exit from stop or wait mode.
SBSW — SIM Break Stop/Wait
SBSW can be read within the break state SWI routine. The user can
modify the return address on the stack by subtracting one from it. The
Reset:
Read:
Write:
This status bit is useful in applications requiring a return to wait or stop
mode after exiting from a break interrupt. Clear SBSW by writing a
logic 0 to it. Reset clears SBSW.
Freescale Semiconductor, Inc.
STOP +1
For More Information On This Product,
1 = Stop mode or wait mode was exited by break interrupt
0 = Stop mode or wait mode was not exited by break interrupt
$FE00
Bit 7
R
R
System Integration Module (SIM)
Figure 17. SIM Break Status Register (SBSR)
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R
STOP + 2
6
= Reserved
STOP RECOVERY PERIOD
R
5
STOP + 2
R
4
SP
NOTE: Writing a logic 0 clears SBSW
R
3
SP – 1
System Integration Module (SIM)
MC68HC08AZ60 — Rev 1.0
R
2
SP – 2
See Note
SBSW
1
0
SIM Registers
SP – 3
Bit 0
R
101